#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>

void ExchangeNumber(int* x, int* y)
{
	int c = 0;
	c = *x;
	*x = *y;
	*y = c;
}

int main()
{
	int a = 0;
	int b = 1;
	ExchangeNumber(&a, &b);
	printf("%d\t%d", a, b);
	return 0;
}